Stat stat = new Stat();
byte[] data = zk.getData(zkHubPath, false, stat);
if (data == null) {
continue;
}
HubLoad load = HubLoad.parse(new String(data));
HubInfo info = new HubInfo(addr, stat.getCzxid());
hubs.put(addr, new HubStats(info, load));
} catch (KeeperException ke) {
LOG.warn("Couldn't read hub data from ZooKeeper", ke);
} catch (InterruptedException ie) {